England, at the start of World War Two. Mysterious wireless broadcasts, apparently from Nazi Germany are heard over the BBC. They warn of acts of terror in England, just before they take place. Baffled, the Defense Committee call in Sherlock Holmes.
Basil Rathbone
Sherlock Holmes
Nigel Bruce
Doctor Watson
Evelyn Ankers
Kitty
Reginald Denny
Sir Evan Barham
Thomas Gomez
R.F. Meade
Henry Daniell
Sir Anthony Lloyd
Montagu Love
General Jerome Lawford
Olaf Hytten
Admiral Sir John Fabian Prentiss
